// GET
$.getJSON('http://jsonmoon.jsapp.us/').done(function(data) {
  console.log(data.name.first);
});
// POST
$.ajax({
  url: 'http://frozen-woodland-5503.herokuapp.com/cors.json',
  data: 'this is data being posted to the server',
  contentType: 'text/plain',
  type: 'POST',
  dataType: 'json'
}).done(function(data) {
  console.log(data.name.last);
});

<?php
    // 指定可信任的域名來(lái)接收響應(yīng)信息
    header('Access-Control-Allow-Origin:http://angular.js');
    // 允許攜帶 用戶認(rèn)證憑據(jù)（也就是允許客戶端發(fā)送的請(qǐng)求攜帶Cookie）
    header('Access-Control-Allow-Credentials:true');
    //header('Access-Control-Allow-Methods:GET,PUT,POST,DELETE,OPTIONS');
    //header('Access-Control-Allow-Headers:Content-Type, Authorization, Content-Length, X-Requested-With, Accept, x-csrf-token, origin');
    $type = $_SERVER['REQUEST_METHOD'];
    parse_str(file_get_contents('php://input'), $data);
    $data = array_merge($_GET, $_POST, $data);
    echo json_encode(array(
        'type' => $type,
        'data' => $data['data']
    ));
?>

<script src="http://libs.cncdn.cn/jquery/1.11.1/jquery.min.js"></script>
<script src="http://libs.cncdn.cn/jquery-ajaxtransport-xdomainrequest/1.0.3/jquery.xdomainrequest.min.js"></script>
<script>
  $.ajax({
    url: 'http://ndol.cn/api.php',
    data: {
      'data': 'zhao'
    },
    type: 'POST',
    dataType: 'json'/*,
    xhrFields:{
      withCredentials:true
    }*/
  }).done(function(data) {
    alert(JSON.stringify(data));
  });
  //alert($.support.cors);
</script>

return new Promise((resolve, reject) => {
            let appliance = new window.XDomainRequest()
            appliance.onprogress = function () { }; // no aborting
            appliance.ontimeout = function () {
               // alert("timeout")
                reject({ eror: "timeout" });
            }; // "
            appliance.onload = function (e) {
                // do something with appliance.responseText
               // alert("onload" + appliance.responseText)
                resolve(appliance.responseText);
            };
            appliance.onerror = function (e, b) {
                // error handling
               // alert("error" + JSON.stringify(e) + JSON.stringify(b))
                reject({ eror: e });
            };
            //appliance.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
            appliance.withCredentials = true; // to support sending cookies with CORS
            appliance.open("POST", axios.defaults.baseURL + url);
            appliance.send(dataToString);
        });